PT-2025-25994 · Linux+5 · Linux Kernel+5

Published 2022-08-09 · Updated 2026-03-14 · CVE-2022-50068

Positive Technologies (AI Summary)

CVSS v2.0

6.0

Medium

Base vector

AV:L/AC:H/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A null pointer dereference bug has been resolved in the Linux kernel. The issue occurred in the drm/ttm module, where the bo->resource value was not checked before accessing the mem type. This bug could lead to a general protection fault. The estimated number of potentially affected devices is not provided, and there is no information about real-world incidents where this issue was exploited.

Technical details about the exploitation include a null pointer dereference in the ttm bo validate function. The bo->resource value is not checked before accessing the mem type, which can lead to a crash.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Resource Release

NULL Pointer Dereference

Weakness Enumeration

CWE-404

CWE-476

Related Identifiers

BDU:2026-02764

CESA-2023_2951

CVE-2022-50068

RHSA-2023:2458

RHSA-2023:2951

RHSA-2023_2458

RHSA-2023_2951

SUSE-SU-2025:02264-1

SUSE-SU-2025:02321-1

SUSE-SU-2025:02322-1

SUSE-SU-2025:02537-1

SUSE-SU-2025:2264-1

SUSE-SU-2025_02264-1

SUSE-SU-2025_02537-1

Affected Products

Astra Linux

Centos

Debian

Linux Kernel

Red Hat

Suse

References · 593

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50068.json · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50068 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-50068 · Security Note
• https://bdu.fstec.ru/vul/2026-02764 · Security Note
• https://git.kernel.org/stable/c/cf4b7387c0a842d64bdd7c353e6d3298174a7740 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:02537-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-50068 · Security Note
• https://git.kernel.org/stable/c/9bd970d4097287778a4449452e70b35d0bfaa3aa · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50068 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-50068 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2022-50068 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:02321-1 · Vendor Advisory
• https://git.kernel.org/stable/c/76672cd326c146ded2c2712ff257b8908dcf23d8 · Patch
• https://osv.dev/vulnerability/CVE-2022-50068 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-50068 · Vendor Advisory